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    <script>
        function factorial(num) {
            if (num <= 1) {
                return 1;
            } else {
                return num * factorial(num - 1);

            }
        }
        console.log(factorial);
        console.log(factorial(5));
        let otherFunction = factorial;
        console.log(otherFunction(5));
        factorial = function () {
            return 0
        }
    </script>
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